GLOSSARY
Heater resistor A special type of resistor that is used to apply heat in a
small area.
HIPS High-impact polystyrene. Usually extrudes at 230°C with the
Budaschnozzle and 230°C with the LulzBot Hexagon Hot End
Hot end The hot end is the whole part where the plastic melts, including
the nozzle, heater block, thermistor, and heat sink. The LulzBot Hexagon
Hot End comes standard on the TAZ 5.
Layer height The thickness of each individual deposited layer of the three-
dimensional model when cut with a slicing program.
Laywoo-D3 Wooden lament similar to PLA. Forty percent of its content
consists of recycled wood. Usually prints at 180°C to 210°C. Color can
be changed by varying the extrusion temperature.
Libre Innovation Aleph Objects uses Free/Libre Software to build and
improve Open Source Hardware so that everything we create is free to
be viewed, copied, and/or modied by anyone.
Nozzle The metal tip at the bottom of the hot end. It has a small hole
where the plastic lament comes out of the printer.
Open Source Hardware Open source hardware is hardware whose design
is made publicly available so that anyone can study, modify, distribute,
make, and sell the design or hardware based on that design. The
hardware source, the design from which it is made, is available in the
preferred format for making modications to it. For more information
visit http://www.oshwa.org/definition/.
PLA Polylactic acid is a corn-based biodegradable polymer. Usually
extrudes at 185°C with the Budaschnozzle and 205°C with the LulzBot
Hexagon Hot End.
Polycarbonate A strong and impact-resistant thermoplastic. Usually ex-
trudes at 300°C.
PTFE Polytetrauoroethylene is a synthetic uoropolymer used in the Bu-
daschnozzle for it’s low coecient of friction. This limits the Budaschnozzle
top extrusion temperature to 250°C. The LulzBot TAZ 5 and TAZ 6 does
not use a hot end with a PTFE insert and can reach a 300°C extrusion
temperatuere.
PVA Polyvinyl acetate is the main ingrediant in white glue, wood glue and
the common school glue stick.
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